Step
*
of Lemma
PlayfairPP_wf
∀[e:EuclideanPlane]. (PlayfairPP(e) ∈ ℙ)
BY
{ ProveWfLemma }
Latex:
Latex:
\mforall{}[e:EuclideanPlane].  (PlayfairPP(e)  \mmember{}  \mBbbP{})
By
Latex:
ProveWfLemma
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